Faculty Profiles - IKENAGA Takeshi

Papers - IKENAGA Takeshi

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Transmission Control Method for Data Retention Taking into Account the Low Vehicle Density Environments Reviewed International journal

Ichiro Goto, Daiki Nobayashi, Kazuya Tsukamoto, Takeshi Ikenaga, Myung Lee

IEICE Transactions on Information and Systems ( The Institute of Electronics, Information and Communication Engineers ) E104-D ( 4 ) 2021.04

Geolocation-centric Information Platform for Resilient Spatio-temporal Content Management Invited Reviewed International journal

Kazuya Tsukamoto, Hitomi Tamura, Yuzo Taenaka, Daiki Nobayashi, Hiroshi Yamamoto, Takeshi Ikenaga, Myung Lee

IEICE Transactions on Communications ( The Institute of Electronics, Information and Communication Engineers ) E104-B ( 3 ) 199 - 209 2021.03

Language：English Publishing type：Research paper (scientific journal)

In IoT era, the growth of data variety is driven by cross-domain data fusion. In this paper, we advocate that “local production for local consumption (LPLC) paradigm" can be an innovative approach in cross-domain data fusion, and propose a new framework, geolocation-centric information platform (GCIP) that can produce and deliver diverse spatio-temporal content (STC). In the GCIP, (1) infrastructure-based geographic hierarchy edge network and (2) adhoc-based STC retention system are interplayed to provide both of geolocation-awareness and resiliency. Then, we discussed the concepts and the technical challenges of the GCIP. Finally, we implemented a proof-of-concepts of GCIP and demonstrated its efficacy through practical experiments on campus IPv6 network and simulation experiments.

DOI： 10.1587/transcom.2020NVI0003

Kyutacar

Development of Data Collection Platform for Running Cars by using 920MHz LoRa Communication in Urban Area Reviewed International journal

Yasufumi Niwa, Daiki Nobayashi, Kazuya Tsukamoto, Takeshi Ikenaga

Proc. of the 2020 International Conference on Emerging Technologies for Communications (ICETC 2020) ( Institute of Electronics, Information and Communication Engineers ) 2020.12

Development of Vehicle Management System using Location Data Collected by 920MHz LoRa Reviewed International journal

Daiki Nobayashi, Yasufumi Niwa, Kazuya Tsukamoto, Takeshi Ikenaga

Proc. of the 2020 International Conference on Computational Science and Computational Intelligence (CSCI 2020) 2020.12

Adaptive Server and Path Switching for Content Delivery Networks Reviewed International journal

Hiroyuki Nishimuta, Daiki Nobayashi, Takeshi Ikenaga

IEICE Transactions on Information and Systems ( Institute of Electronics, Information and Communication Engineers ) E103.D ( 11 ) 2389 - 2393 2020.11

Authorship：Corresponding author Language：English Publishing type：Research paper (scientific journal)

The communications quality of content delivery networks (CDNs), which are geographically distributed networks that have been optimized for content delivery, deteriorates when interflow congestion conditions are severe. Herein, we propose an adaptive server and path switching scheme that is based on the estimated acquisition throughput of each path. We also provide simulation results that show our proposed method can provide higher throughput performance levels than existing methods.

DOI： 10.1587/transinf.2020EDL8045

Kyutacar

Handoff Characterization of Multipath Video Streaming Reviewed International journal

Kazuya Fujiwara, Shinichi Nagayama, Dirceu Cavendish, Daiki Nobayashi, Takeshi Ikenaga

Proc. of the Twelfth International Conference on Evolving Internet (INTERNET 2020) 17 - 22 2020.10

Beacon-less Autonomous Transmission Control Method for Spatio-Temporal Data Retention Reviewed International journal

Ichiro Goto, Daiki Nobayashi, Kazuya Tsukamoto, Takeshi Ikenaga, Myung Lee

Proc. of the Advances in Intelligent Networking and Collaborative Systems (INCoS 2020) ( Springer ) 503 - 513 AISC, volume 1263 2020.08

Language：English Publishing type：Research paper (international conference proceedings)

Canada Victoria 2020.08.31 - 2020.09.02

With the development and spread of Internet of Things (IoT) technology, the number of devices connected to the Internet is increasing, and various kinds of data are now being generated from IoT devices. Some data generated from IoT devices depends on geographical location and time. We refer to such data as spatio-temporal data (STD). Since the “local production and consumption" of STD is effective for location-dependent applications, we have proposed a STD retention system using vehicles equipped with storage modules, computing resources, and short-range wireless communication equipment. In this previous system, each vehicle controls the data transmission probability based on the neighboring vehicle density in order to achieve effective data retention. However, since the overhead of beacon messages required for estimation of the neighboring vehicle density becomes a critical problem with the increase in the number of vehicles, thereby preventing the effective data retention. In this paper, we propose a new data transmission control method to realize effective and reliable STD retention without beacon. Simulation results showed that our proposed scheme can achieve effective data retention.

DOI： 10.1007/978-3-030-57796-4_48

Kyutacar

Application of 5G mobile communication system to the manufacturing industry Invited

Takeshi Ikenaga, Takeshi Nishida

The Journal of the Institute of Image Information and Television Engineers ( The Institute of Image Information and Television Engineers ) 74 ( 3 ) 441 - 446 2020.05

Application of 5th Generation Mobile Communication System to Industrial Robot Control Reviewed International journal

Atsuki Yokota, Sora Honda, Kei Yamafuku, Takeshi Nishida, Takeshi Ikenaga, Naoki Mori, Akira Matsunaga, Kakeru Maruyama, Kyohiro Yoshida, Shintaro Osada

IEEJ Transactions on Industry Applications ( The Institute of Electrical Engineers of Japan ) 140 ( 4 ) 314 - 326 2020.04

Language：Japanese Publishing type：Research paper (scientific journal)

This paper presents the results of verification tests for the application of a 5th generation mobile communication system (5G) to an industrial robot control system, consisting of an industrial robot, a three-dimensional measurement sensor, and a robot controller. First, the configuration of the industrial robot control system to be used for testing was examined. Second, the 5G radio characteristics at two factories were measured. The radio interference to/from devices in operation in the factories and the human shield effect influencing the radio characteristics were also examined in these measurements. In factory automation, it is generally inevitable to spend a long time rearranging the components of the industrial robot control system. From the test results, it was confirmed that the time required could be greatly reduced by replacing wired communication lines with 5G capable systems.

DOI： 10.1541/ieejias.140.314

Development of Industrial Robot System with 5th Generation Mobile Communication System Reviewed International journal

Atsuki Yokota, Sora Honda, Kei Yamafuku, Takeshi Nishida, Takeshi Ikenaga, Naoki Mori, Akira Matsunaga, Kakeru Maruyama, Kyohiro Yoshida, Shintaro Osada

Proc. of the 2019 19th International Conference on Control, Automation and Systems (ICCAS 2019) 2019.10

Conceptual experiment of geolocation-aware IoT data dissemination model Reviewed International journal

Kazuya Yuge, Yuzo Taenaka, Daiki Nobayashi, Takeshi Ikenaga

Proc. of the 2019 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM 2019) 2019.08

Adaptive Server and Path Switching Scheme for Content Delivery Network Reviewed International journal

Hiroyuki Nishimuta, Daiki Nobayashi, Takeshi Ikenaga

Proc. of the 2019 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM 2019) 2019.08

Path Switching Schedulers for MPTCP Streaming Video Reviewed International journal

Shinichi Nagayama, Dirceu Cavendish, Daiki Nobayashi, Takeshi Ikenaga

Proc. of the 2019 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (PACRIM 2019) 2019.08

Transmission Control Method to Realize Efficient Data Retention in Low Vehicle Density Environments Reviewed International journal

Ichiro Goto, Daiki Nobayashi, Kazuya Tsukamoto, Takeshi Ikenaga, Myung Lee

Proc. of the 11th International Conference on Intelligent Networking and Collaborative Systems (INCoS-2019) 2019.08

On-demand Transmission Interval Control Method for Spatio-Temporal Data Retention Reviewed International journal

Shumpei Yamasaki, Daiki Nobayashi, Kazuya Tsukamoto, Takeshi Ikenaga, Myung Lee

Proc. of the 11th International Conference on Intelligent Networking and Collaborative Systems (INCoS-2019) 2019.08

Clustering Malicious DNS Queries for Blacklist-Based Detection Reviewed International journal

Akihiro Satoh, Yutaka Nakamura, Daiki Nobayashi, Kazuto Sasai, Gen Kitagata, Takeshi Ikenaga

IEICE Transactions on Information and Systems E102D ( 7 ) 1404 - 1407 2019.07

Managing Path Switching in Multipath Video Streaming Reviewed International journal

Shinichi Nagayama, Dirceu Cavendish, Daiki Nobayashi, Takeshi Ikenaga

Proc. of the Eleventh International Conference on Evolving Internet (INTERNET 2019) 42 - 47 2019.06

Study on Autonomous Outing Support Service for the Visually Impaired Reviewed International journal

Eiji Aoki, Shinji Otsuka, Takeshi Ikenaga, Hideaki Kawano, Masaaki Yatsuzuka

Proc. of the 13th International Conference on Complex, Intelligent, and Software Intensive Systems (CISIS-2019) 993 2019.06

A Dynamic Channel Switching for ROD-SAN Reviewed International journal

Daiki Nobayashi, Yutaka Fukuda, Kazuya Tsukamoto, Takeshi Ikenaga

IEICE Transactions on Information and Systems ( IEICE ) E102D ( 5 ) 920 - 931 2019.05

TCP using Adaptive FEC to Improve Throughput Performance in High-latency Environments Reviewed International journal

Yurino Sato, Hiroyuki Koga, Takeshi Ikenaga

IEICE Transactions on Communications ( IEICE ) E102 B ( 3 ) 537 - 544 2019.03

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Papers - IKENAGA Takeshi